whalesrawesome whalesrawesome
  • 21-02-2018
  • Mathematics
contestada

​​5x−4y=−10
​−4x+5y=8
​​Solve System of equations

Respuesta :

aliford523
aliford523 aliford523
  • 21-02-2018
5y = 4x + 8 and y = 4x/5 + 8/5
Answer Link
Banabanana
Banabanana Banabanana
  • 21-02-2018
   {5x−4y=−10  ⇒ 5x = 4y-10  ⇒  x=(4y-10)/5  ⇒  x = 0.8y - 2
​   {-4x+5y=8

-4(0.8y-2) + 5y = 8
-3.2y + 8 + 5y = 8
1.8y = 8 - 8
1.8y = 0
y = 0

5x−4·0=−10
5x = -10
x = -10/5
x = -2

Your answer is (-2, 0)
Answer Link

Otras preguntas

How do you find the slope of a point line function !
(Geometry), homework pleaseeeee help. Will rate brainliestttt
what is the ratio of lengths of PR and QS is _:_
nvmI figured out for myself
What is the difference between a soft G and a hard G?
The type of deformation in which the object permanently changes size and shape without fracturing is called _____. ductile deformation elastic deformation britt
Which statement is correct?
BRAINILEST!!!Tyler simplified the expression. His procedure is shown below. What is Tyler’s error? Both powers should be in the numerator with positive exponent
What emerging relationship trend between negative campaign tone and voter turnout is depicted on the graph starting in 1988? Both negative campaigns and voter
Which of the following contributes most to maintaining a strong local economy The number of people available to be hired quickly The nearness of basic busines